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    Chaotic State Analysis and Voltage Correction with Ferroresonance Modeling
    (Kırıkkale Üniversitesi, 2023) Akçay, Mehmet Taciddin; Ersoy, Aysel
    Many undesirable risky situations such as short circuits, burns, explosions, various malfunctions, dangerous events and equipment losses can occur in transformer systems. While such faults may occur due to external factors, in some cases, they may be caused by the characteristics of the electrical load connected to the circuit. One of the most important causes of faults arising from the load characteristics is the Ferroresonance phenomenon that occurs in transformer systems. Ferroresonance is defined as non-linear resonance and can pose a critical level of danger to the system. In this study, the theory of chaos in electrical power systems is explained and an application is made over the ferroresonance circuit. The mathematical model of the ferroresonance circuit is given by analyzing it. While using nonlinear circuit elements, the system was examined over the related equivalent circuit. With the given mathematical model of the nonlinear dynamic system, the effects of the conditions in the ferroresonance state and the voltage source are shown. By examining the ferroresonance state behaviors caused by transformer losses, simulations of different states are made. These states include the normal state, the fundamental frequency ferroresonance state, the subharmonic ferroresonance state, and the chaotic state ferroresonance state. At the end of the study, voltage correction application was made to correct the voltage oscillation occurring on the load side of the chaotic state.